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Why Do Some Animals’ Eyes Glow in the Dark? The Science of Eyeshine

Why do some animals’ eyes seem to glow in the dark? Our field guide to those glowing eyes you see at night has you covered.

Ashley Stimpson

Earth Day Book Review 2026

Celebrate Earth Day with books that share big ideas on conservation and also enrich our time in the natural world.

Matthew L. Miller and Justine E. Hausheer

Birding the Outer Banks’ Hidden Gem: Nags Head Woods Preserve

Birding at Nags Head Woods is a chance to experience a quieter, wilder side of the Outer Banks, one where centuries-old trees shelter migrating songbirds.

Lauren D. Pharr

What the Tiger Shark Ate (and Why it Matters)

When a tiger shark coughs up an echidna, it’s more than internet gold—it’s a surprisingly useful clue to our changing oceans.

Cara Cannon Byington

Become a Member

Make a lasting impact for nature when you join The Nature Conservancy

CGS Favorites

Backyard Bioblitz: How to Be A Citizen Scientist in Your Backyard

A bioblitz is a nature scavenger hunt, for science. Here are our tips to DIY a bioblitz from your very own backyard.

The Editors

Did You Know Sandhill Cranes Dye Their Feathers?

Matthew L. Miller and Chris Helzer

The Swift Fox Makes a Surprise Comeback

Christine Peterson

8 Great U.S. National Parks for Birding

Matthew L. Miller

7 Strange Species from the Ocean’s Depths

Matthew L. Miller, Justine E. Hausheer, and Cara Cannon Byington

The Only Birding Apps You’ll Ever Need

Having one (or all) of these apps on your mobile phone or tablet is like having an expert birding guide by your side at all times.

Cara Cannon Byington and Justine E. Hausheer

8 Cool Wild Cats You Probably Don’t Know

Matthew L. Miller

Meet the Civet, the Mammal Behind the Coffee

Matthew L. Miller

Beaver? Otter? Muskrat? A Field Guide to Freshwater Mammals

Matthew L. Miller

A Field Guide to Commonly Misidentified Snakes

David A. Steen

Wildlife on the Move

Learn how scientists are mapping migrations to make smarter conservation decisions.

All About Wildlife

Explore wildlife in wild places, from backyard coyotes to biodiversity hotspots.

Our Voices